Pith. sign in
Pith Number

pith:VQJJG4XJ

pith:2019:VQJJG4XJIYISF3JZNIBR2AZTEB
not attested not anchored not stored refs pending

Ideal categories of rings and ring of cones

P.G. Romeo, Sreejamol P.R.

arxiv:1908.05074 v1 · 2019-08-14 · math.CT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VQJJG4XJIYISF3JZNIBR2AZTEB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp
2 Internet Archive
3 Author claim open · sign in to claim
4 Citations open
5 Replications open
Portable graph bundle live · download bundle · merged state
The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.
Receipt and verification
First computed 2026-07-04T23:55:59.606130Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ac129372e9461122ed396a031d03332056dc5f6a489695040eefff6e58437f1e

Aliases

arxiv: 1908.05074 · arxiv_version: 1908.05074v1 · doi: 10.48550/arxiv.1908.05074 · pith_short_12: VQJJG4XJIYIS · pith_short_16: VQJJG4XJIYISF3JZ · pith_short_8: VQJJG4XJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VQJJG4XJIYISF3JZNIBR2AZTEB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ac129372e9461122ed396a031d03332056dc5f6a489695040eefff6e58437f1e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "743cec0cbee2d4888d73d9aa8ceede5765781e75b4a2939f335e4e1b5bed2f81",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2019-08-14T11:17:15Z",
    "title_canon_sha256": "f0c0b195f27fe3f71c8e9937750e6686355fda8573567b25c84eb9a1ca234ddb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05074",
    "kind": "arxiv",
    "version": 1
  }
}